context is about a group of people, trapped in the wilderness for a while.
To be able to talk normally, or to to be able hold back anger, due to this unaccustomed self-sufficient lifestyle, their nerves deteriorated, things are like that became impossible for some of them.
Marginally related to the first context
...To accept this disheveled sensei’s demands, would one of the few ways she can atone for her sins right?
Speaker a 3rd person narrator of the story for both sentences. Is this just to express a degree of uncertainy as if the narrator only thinking "___" is the case? The narrator is omniscient, is this just to tease the reader?